/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:27:07,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:27:07,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:27:07,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:27:07,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:27:07,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:27:07,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:27:07,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:27:07,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:27:07,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:27:07,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:27:07,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:27:07,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:27:07,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:27:07,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:27:07,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:27:07,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:27:07,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:27:07,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:27:07,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:27:07,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:27:07,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:27:07,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:27:07,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:27:07,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:27:07,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:27:07,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:27:07,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:27:07,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:27:07,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-21 11:27:07,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:27:07,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:27:07,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:27:07,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:27:07,469 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:27:07,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:27:07,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:27:07,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:27:07,473 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:27:07,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:27:07,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:27:07,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:27:07,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:27:07,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:27:07,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:27:07,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:27:07,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:27:07,476 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:27:07,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:27:07,477 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:27:07,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:27:07,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:27:07,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:27:07,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:27:07,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:27:07,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:27:07,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:27:07,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:27:07,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:27:07,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:27:07,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:27:07,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:27:07,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:27:07,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:27:07,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:27:07,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:27:07,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:27:07,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:27:07,998 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:27:07,999 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label08.c [2020-09-21 11:27:08,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d938ec8fc/4c75022e85f84f529810f85c08807af6/FLAGff09f2297 [2020-09-21 11:27:08,725 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:27:08,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label08.c [2020-09-21 11:27:08,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d938ec8fc/4c75022e85f84f529810f85c08807af6/FLAGff09f2297 [2020-09-21 11:27:08,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d938ec8fc/4c75022e85f84f529810f85c08807af6 [2020-09-21 11:27:08,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:27:08,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:27:08,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:08,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:27:08,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:27:08,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:08" (1/1) ... [2020-09-21 11:27:08,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad15a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:08, skipping insertion in model container [2020-09-21 11:27:08,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:08" (1/1) ... [2020-09-21 11:27:09,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:27:09,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:27:09,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:09,595 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:27:09,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:09,925 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:27:09,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09 WrapperNode [2020-09-21 11:27:09,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:09,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:27:09,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:27:09,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:27:09,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... [2020-09-21 11:27:09,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... [2020-09-21 11:27:09,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... [2020-09-21 11:27:09,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... [2020-09-21 11:27:10,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... [2020-09-21 11:27:10,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... [2020-09-21 11:27:10,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... [2020-09-21 11:27:10,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:27:10,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:27:10,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:27:10,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:27:10,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:27:10,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:27:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:27:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:27:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:27:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:27:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:27:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:27:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:27:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:27:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:27:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:27:11,594 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:27:11,595 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:27:11,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:11 BoogieIcfgContainer [2020-09-21 11:27:11,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:27:11,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:27:11,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:27:11,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:27:11,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:27:08" (1/3) ... [2020-09-21 11:27:11,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc07a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:11, skipping insertion in model container [2020-09-21 11:27:11,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:09" (2/3) ... [2020-09-21 11:27:11,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc07a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:11, skipping insertion in model container [2020-09-21 11:27:11,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:11" (3/3) ... [2020-09-21 11:27:11,613 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label08.c [2020-09-21 11:27:11,625 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:27:11,636 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:27:11,660 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:27:11,692 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:27:11,692 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:27:11,693 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:27:11,693 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:27:11,693 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:27:11,693 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:27:11,693 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:27:11,693 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:27:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 11:27:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:27:11,733 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:11,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:11,735 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:11,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:11,743 INFO L82 PathProgramCache]: Analyzing trace with hash -464539961, now seen corresponding path program 1 times [2020-09-21 11:27:11,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:11,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542750188] [2020-09-21 11:27:11,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:11,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:11,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:11,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:11,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:11,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:27:11,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:11,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:27:11,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:11,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:11,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:27:11,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:12,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:12,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:12,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:12,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:12,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:12,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:12,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:12,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:12,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:12,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:12,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:12,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:12,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:12,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542750188] [2020-09-21 11:27:12,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:12,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:27:12,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029538119] [2020-09-21 11:27:12,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:12,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:12,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:12,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:12,223 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-21 11:27:14,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:14,508 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-09-21 11:27:14,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:27:14,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-09-21 11:27:14,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:14,533 INFO L225 Difference]: With dead ends: 730 [2020-09-21 11:27:14,533 INFO L226 Difference]: Without dead ends: 447 [2020-09-21 11:27:14,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-21 11:27:14,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-09-21 11:27:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-09-21 11:27:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-09-21 11:27:14,661 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 46 [2020-09-21 11:27:14,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:14,663 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-09-21 11:27:14,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-09-21 11:27:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-21 11:27:14,681 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:14,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:14,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:27:14,683 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:14,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:14,683 INFO L82 PathProgramCache]: Analyzing trace with hash 339957685, now seen corresponding path program 1 times [2020-09-21 11:27:14,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:14,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17138687] [2020-09-21 11:27:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:14,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:14,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:14,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:14,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:14,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-09-21 11:27:14,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:14,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:27:14,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-09-21 11:27:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:27:14,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:15,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:15,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:15,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:15,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:15,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:15,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:15,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:15,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:15,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:15,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:15,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:15,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:15,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:15,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:15,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:15,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:15,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:15,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 11:27:15,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:27:15,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 11:27:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:15,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17138687] [2020-09-21 11:27:15,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:15,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:27:15,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942134049] [2020-09-21 11:27:15,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:15,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:15,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:15,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:15,278 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 5 states. [2020-09-21 11:27:16,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:16,810 INFO L93 Difference]: Finished difference Result 1172 states and 1811 transitions. [2020-09-21 11:27:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:16,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-09-21 11:27:16,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:16,823 INFO L225 Difference]: With dead ends: 1172 [2020-09-21 11:27:16,823 INFO L226 Difference]: Without dead ends: 737 [2020-09-21 11:27:16,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:27:16,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-09-21 11:27:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 588. [2020-09-21 11:27:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-09-21 11:27:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 841 transitions. [2020-09-21 11:27:16,884 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 841 transitions. Word has length 165 [2020-09-21 11:27:16,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:16,887 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 841 transitions. [2020-09-21 11:27:16,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 841 transitions. [2020-09-21 11:27:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-21 11:27:16,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:16,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:16,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:27:16,902 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:16,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:16,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1730248329, now seen corresponding path program 1 times [2020-09-21 11:27:16,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:16,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356404433] [2020-09-21 11:27:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:17,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:17,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:17,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:17,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:17,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 11:27:17,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:17,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:27:17,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:27:17,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:17,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:17,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:17,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:17,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:17,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:17,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:17,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:17,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:17,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:17,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:17,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 11:27:17,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:17,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:27:17,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:27:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:17,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356404433] [2020-09-21 11:27:17,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:17,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:27:17,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225648949] [2020-09-21 11:27:17,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:17,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:17,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:17,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:17,360 INFO L87 Difference]: Start difference. First operand 588 states and 841 transitions. Second operand 8 states. [2020-09-21 11:27:19,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:19,673 INFO L93 Difference]: Finished difference Result 1927 states and 2946 transitions. [2020-09-21 11:27:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:27:19,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2020-09-21 11:27:19,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:19,684 INFO L225 Difference]: With dead ends: 1927 [2020-09-21 11:27:19,684 INFO L226 Difference]: Without dead ends: 1345 [2020-09-21 11:27:19,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:27:19,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-09-21 11:27:19,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 896. [2020-09-21 11:27:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-09-21 11:27:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1204 transitions. [2020-09-21 11:27:19,736 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1204 transitions. Word has length 171 [2020-09-21 11:27:19,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:19,736 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1204 transitions. [2020-09-21 11:27:19,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1204 transitions. [2020-09-21 11:27:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-21 11:27:19,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:19,743 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:19,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:27:19,743 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:19,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:19,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1388807819, now seen corresponding path program 1 times [2020-09-21 11:27:19,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:19,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543007013] [2020-09-21 11:27:19,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:19,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:27:19,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -84 [2020-09-21 11:27:19,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 84 [2020-09-21 11:27:19,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:19,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-21 11:27:19,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:27:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 11:27:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:27:19,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:19,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:19,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:19,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:20,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:27:20,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:20,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:20,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:27:20,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:27:20,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:27:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:27:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:20,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:20,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:20,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:20,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:20,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 11:27:20,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:27:20,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:27:20,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:20,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543007013] [2020-09-21 11:27:20,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:20,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:20,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213871862] [2020-09-21 11:27:20,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:20,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:20,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:20,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:20,367 INFO L87 Difference]: Start difference. First operand 896 states and 1204 transitions. Second operand 7 states. [2020-09-21 11:27:21,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:21,697 INFO L93 Difference]: Finished difference Result 1873 states and 2679 transitions. [2020-09-21 11:27:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:21,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-09-21 11:27:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:21,708 INFO L225 Difference]: With dead ends: 1873 [2020-09-21 11:27:21,709 INFO L226 Difference]: Without dead ends: 956 [2020-09-21 11:27:21,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:27:21,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-09-21 11:27:21,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 906. [2020-09-21 11:27:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2020-09-21 11:27:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1226 transitions. [2020-09-21 11:27:21,772 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1226 transitions. Word has length 250 [2020-09-21 11:27:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:21,773 INFO L479 AbstractCegarLoop]: Abstraction has 906 states and 1226 transitions. [2020-09-21 11:27:21,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1226 transitions. [2020-09-21 11:27:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 11:27:21,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:21,780 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:21,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:27:21,781 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:21,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:21,781 INFO L82 PathProgramCache]: Analyzing trace with hash -176330605, now seen corresponding path program 1 times [2020-09-21 11:27:21,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:21,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354509534] [2020-09-21 11:27:21,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:21,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:27:21,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:27:21,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:27:21,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:21,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-21 11:27:21,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:21,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:27:21,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:27:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-21 11:27:21,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:22,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:22,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:22,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:22,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:22,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:22,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:22,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:22,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:22,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:22,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:22,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:22,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:22,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:22,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:27:22,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:22,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:27:22,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:22,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:27:22,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:27:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:22,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:22,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:22,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:22,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:22,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 11:27:22,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:27:22,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:27:22,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:22,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354509534] [2020-09-21 11:27:22,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:22,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:27:22,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553951747] [2020-09-21 11:27:22,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:22,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:22,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:22,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:22,587 INFO L87 Difference]: Start difference. First operand 906 states and 1226 transitions. Second operand 8 states. [2020-09-21 11:27:24,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:24,362 INFO L93 Difference]: Finished difference Result 2122 states and 2924 transitions. [2020-09-21 11:27:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:27:24,363 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 286 [2020-09-21 11:27:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:24,371 INFO L225 Difference]: With dead ends: 2122 [2020-09-21 11:27:24,371 INFO L226 Difference]: Without dead ends: 1222 [2020-09-21 11:27:24,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-09-21 11:27:24,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1210. [2020-09-21 11:27:24,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2020-09-21 11:27:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1580 transitions. [2020-09-21 11:27:24,417 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1580 transitions. Word has length 286 [2020-09-21 11:27:24,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:24,417 INFO L479 AbstractCegarLoop]: Abstraction has 1210 states and 1580 transitions. [2020-09-21 11:27:24,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1580 transitions. [2020-09-21 11:27:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-09-21 11:27:24,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:24,426 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:24,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:27:24,426 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:24,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:24,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1318686036, now seen corresponding path program 1 times [2020-09-21 11:27:24,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:24,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329687726] [2020-09-21 11:27:24,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:24,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:27:24,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:27:24,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:27:24,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-09-21 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-09-21 11:27:24,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:24,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:24,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:24,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:24,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:24,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:24,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:24,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:24,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:24,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:24,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:24,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:24,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:27:24,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:24,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:24,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:24,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:27:24,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:24,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:27:24,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:24,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:24,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:24,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:27:24,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:24,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:27:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:24,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:24,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:24,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:24,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:24,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:27:24,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:27:24,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:27:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:24,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-21 11:27:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:24,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:24,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:24,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:24,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:24,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 11:27:24,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:24,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:27:24,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:27:24,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 298 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 11:27:25,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329687726] [2020-09-21 11:27:25,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:25,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:27:25,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560566677] [2020-09-21 11:27:25,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:25,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:25,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:25,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:25,302 INFO L87 Difference]: Start difference. First operand 1210 states and 1580 transitions. Second operand 8 states. [2020-09-21 11:27:27,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:27,415 INFO L93 Difference]: Finished difference Result 3376 states and 4795 transitions. [2020-09-21 11:27:27,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:27:27,416 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 358 [2020-09-21 11:27:27,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:27,430 INFO L225 Difference]: With dead ends: 3376 [2020-09-21 11:27:27,431 INFO L226 Difference]: Without dead ends: 2172 [2020-09-21 11:27:27,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:27:27,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2020-09-21 11:27:27,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2102. [2020-09-21 11:27:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2102 states. [2020-09-21 11:27:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2669 transitions. [2020-09-21 11:27:27,511 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2669 transitions. Word has length 358 [2020-09-21 11:27:27,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:27,512 INFO L479 AbstractCegarLoop]: Abstraction has 2102 states and 2669 transitions. [2020-09-21 11:27:27,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:27,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2669 transitions. [2020-09-21 11:27:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-09-21 11:27:27,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:27,524 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:27,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:27:27,524 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:27,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:27,525 INFO L82 PathProgramCache]: Analyzing trace with hash -311066515, now seen corresponding path program 1 times [2020-09-21 11:27:27,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:27,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911944524] [2020-09-21 11:27:27,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:27,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:27,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:27,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:27,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:27,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 386 [2020-09-21 11:27:27,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:27:27,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 340 [2020-09-21 11:27:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:27:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:27,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:27,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:27,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:27,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:27,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:27,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:27,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:27,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:27,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:27,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:27,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:27,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:27,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:27,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:27,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:27,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:27,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:27,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:27:27,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:27,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:27,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:27,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:27,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:27,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:27,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:27,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:27:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:27,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:27,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:27,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:27,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:27,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:27:27,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:27,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:27,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:27,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:27,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-21 11:27:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:27,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:27,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:27,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 11:27:27,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-09-21 11:27:28,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911944524] [2020-09-21 11:27:28,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:28,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:27:28,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249273401] [2020-09-21 11:27:28,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:28,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:28,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:28,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:28,164 INFO L87 Difference]: Start difference. First operand 2102 states and 2669 transitions. Second operand 5 states. [2020-09-21 11:27:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:29,494 INFO L93 Difference]: Finished difference Result 4637 states and 5963 transitions. [2020-09-21 11:27:29,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:29,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 371 [2020-09-21 11:27:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:29,496 INFO L225 Difference]: With dead ends: 4637 [2020-09-21 11:27:29,496 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:27:29,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:27:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:27:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:27:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:27:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:27:29,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2020-09-21 11:27:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:29,506 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:27:29,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:27:29,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:27:29,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:27:29,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:27:30,251 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2020-09-21 11:27:30,498 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2020-09-21 11:27:30,862 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2020-09-21 11:27:30,958 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:30,959 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 11:27:30,959 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:30,959 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 11:27:30,959 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,959 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,959 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,959 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,960 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,960 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,960 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 11:27:30,960 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 11:27:30,960 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:27:30,960 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:27:30,960 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,961 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 11:27:30,962 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 11:27:30,963 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 11:27:30,964 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-09-21 11:27:30,964 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 11:27:30,964 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,964 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,964 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,964 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,964 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 11:27:30,965 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 11:27:30,966 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 11:27:30,966 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 11:27:30,966 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,966 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,966 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,966 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,966 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:27:30,967 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,968 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,969 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,969 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,969 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:27:30,969 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:27:30,969 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:27:30,969 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:27:30,969 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,970 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 11:27:30,971 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 11:27:30,972 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,973 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 11:27:30,974 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 11:27:30,974 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 11:27:30,974 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:27:30,974 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:27:30,974 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:27:30,974 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:27:30,974 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:27:30,975 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:27:30,975 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 11:27:30,975 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 11:27:30,975 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 11:27:30,975 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 11:27:30,975 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,975 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 11:27:30,976 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:27:30,977 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:27:30,977 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:27:30,977 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:27:30,977 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:27:30,977 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:27:30,977 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 11:27:30,977 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 11:27:30,978 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 4 |old(~a10~0)|))) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (not (= 3 |old(~a10~0)|)) .cse0) (or (= 6 |old(~a19~0)|) .cse0))) [2020-09-21 11:27:30,978 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 11:27:30,978 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 11:27:30,978 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 11:27:30,978 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,978 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,978 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:27:30,979 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,980 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:27:30,981 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,982 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 11:27:30,983 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 11:27:30,984 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 11:27:30,985 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:30,985 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a19~0 9)) [2020-09-21 11:27:30,985 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:27:30,985 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:30,985 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9))) [2020-09-21 11:27:30,985 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:27:30,985 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 3) (not (<= |old(~a19~0)| 9)) (not (= ~a19~0 6)) (= ~a10~0 4)) [2020-09-21 11:27:30,986 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 11:27:30,986 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 11:27:30,986 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 3) (not (<= |old(~a19~0)| 9)) (not (= ~a19~0 6)) (= ~a10~0 4)) [2020-09-21 11:27:30,986 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:27:31,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:27:31 BoogieIcfgContainer [2020-09-21 11:27:31,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:27:31,014 INFO L168 Benchmark]: Toolchain (without parser) took 22039.31 ms. Allocated memory was 138.4 MB in the beginning and 542.1 MB in the end (delta: 403.7 MB). Free memory was 99.2 MB in the beginning and 257.0 MB in the end (delta: -157.7 MB). Peak memory consumption was 246.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:31,015 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:27:31,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.08 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 169.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:31,017 INFO L168 Benchmark]: Boogie Preprocessor took 132.32 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:31,018 INFO L168 Benchmark]: RCFGBuilder took 1542.31 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 164.7 MB in the beginning and 180.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:31,019 INFO L168 Benchmark]: TraceAbstraction took 19408.03 ms. Allocated memory was 233.8 MB in the beginning and 542.1 MB in the end (delta: 308.3 MB). Free memory was 180.7 MB in the beginning and 257.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 232.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:31,023 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 946.08 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 169.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.32 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1542.31 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 164.7 MB in the beginning and 180.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19408.03 ms. Allocated memory was 233.8 MB in the beginning and 542.1 MB in the end (delta: 308.3 MB). Free memory was 180.7 MB in the beginning and 257.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 232.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((a10 <= 0 || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || a10 == 3) || !(\old(a19) <= 9)) || !(a19 == 6)) || a10 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 198 SDtfs, 3002 SDslu, 268 SDs, 0 SdLazy, 6482 SolverSat, 1075 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2102occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 736 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 68 PreInvPairs, 108 NumberOfFragments, 180 HoareAnnotationTreeSize, 68 FomulaSimplifications, 53425 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1180 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1647 NumberOfCodeBlocks, 1647 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1640 ConstructedInterpolants, 0 QuantifiedInterpolants, 1105382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 1127/1206 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...